Fitbit attracts new attention from short-sellers

Wearable gadget maker Fitbit Inc attracted far more bets against its recently rising stock in September, underscoring concerns about competition from the likes of Apple Inc . Since Sept. 10, borrowing in Fitbit shares has jumped 50 percent, according to lending data from SunGard's Astec Analytics, which provides a strong glimpse into short-selling activity. While short-selling in Fitbit declined from 7.4 percent of outstanding shares at the end of August to 6.9 percent in mid-September, that rat